
/* This is an example of how to cancel all the files queued up.  It's made somewhat generic.  Just pass your SWFUpload
 object in to this method and it loops through cancelling the uploads. */
function cancelQueue(instance) {
    document.getElementById(instance.customSettings.cancelButtonId).disabled = true;
    instance.stopUpload();
    var stats;

    do {
        stats = instance.getStats();
        instance.cancelUpload();
    } while (stats.files_queued !== 0);

}

/* **********************
 Event Handlers
 These are my custom event handlers to make my
 web application behave the way I went when SWFUpload
 completes different tasks.  These aren't part of the SWFUpload
 package.  They are part of my application.  Without these none
 of the actions SWFUpload makes will show up in my application.
 ********************** */
function fileDialogStart() {
    /* I don't need to do anything here */
}
function fileQueued(file) {
    try {
        // You might include code here that prevents the form from being submitted while the upload is in
        // progress.  Then you'll want to put code in the Queue Complete handler to "unblock" the form
        var progress = new FileProgress(file, this.customSettings.progressTarget);
        progress.setStatus("Pending...");
        progress.toggleCancel(true, this);

    } catch (ex) {
        this.debug(ex);
    }

}

function fileQueueError(file, errorCode, message) {
    try {
        if (errorCode === SWFUpload.QUEUE_ERROR.QUEUE_LIMIT_EXCEEDED) {
            alert("You have attempted to queue too many files.\n" + (message === 0 ? "You have reached the upload limit." : "You may select " + (message > 1 ? "up to " + message + " files." : "one file.")));
            return;
        }

        var progress = new FileProgress(file, this.customSettings.progressTarget);
        progress.setError();
        progress.toggleCancel(false);

        switch (errorCode) {
            case SWFUpload.QUEUE_ERROR.FILE_EXCEEDS_SIZE_LIMIT:
                progress.setStatus("File is too big.");
                this.debug("Error Code: File too big, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
                break;
            case SWFUpload.QUEUE_ERROR.ZERO_BYTE_FILE:
                progress.setStatus("Cannot upload Zero Byte files.");
                this.debug("Error Code: Zero byte file, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
                break;
            case SWFUpload.QUEUE_ERROR.INVALID_FILETYPE:
                progress.setStatus("Invalid File Type.");
                this.debug("Error Code: Invalid File Type, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
                break;
            default:
                if (file !== null) {
                    progress.setStatus("Unhandled Error");
                }
                this.debug("Error Code: " + errorCode + ", File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
                break;
        }
    } catch (ex) {
        this.debug(ex);
    }
}

function fileDialogComplete(numFilesSelected, numFilesQueued) {
    try {
        /* I want auto start and I can do that here */
        this.startUpload();
    } catch (ex)  {
        this.debug(ex);
    }
}

function uploadStart(file) {
    try {
        /* I don't want to do any file validation or anything,  I'll just update the UI and return true to indicate that the upload should start */
        var progress = new FileProgress(file, this.customSettings.progressTarget);
        progress.setStatus("Uploading...");
        progress.toggleCancel(true, this);
    }
    catch (ex) {
    }

    return true;
}
function banner_uploadStart(file) {
    try {
        var item_tag = '<p  class="J_uploadPic_start">'
            +'<span style="margin-top:10;margin-left:50px;" class="J_progress_upload"></span>'
            +'</p>';
        $(".picList").append(item_tag);
    }
    catch (ex) {
    }

    return true;
}

function cover_uploadStart(file) {
    try {
        $(".J_bjnow").css("height", "32px");
        $(".J_bjnow").css("width", "33px");

        $(".J_bjnow").attr("src", "/static/images/loading.gif");
        $(".J_bg_box").append("<span class='bg_progress J_progress_upload'></span>");
    }
    catch (ex) {
    }

    return true;
}
//图书图片多图上传进度
function bookCover_uploadStart(file) {
    try {
           var item_tag = '<p  class="J_uploadPic_start" style="float:left;margin-right:5px;padding-left:30px;" >'
                    +'<img  style="float:left;height:32px; width:33px;border:0;padding-top:30px;"  src="/static/images/loading.gif"/><br>'
                    +'<span style="margin-top:10;" class="J_progress_upload"></span>'
                    +'</p>';
                    $("#picList").append(item_tag);
    }
    catch (ex) {
    }

    return true;
}

function uploadProgress(file, bytesLoaded, bytesTotal) {
    try {
        var percent = Math.ceil((bytesLoaded / bytesTotal) * 100);

        $(".J_progress_upload").text(percent+"%");

        var progress = new FileProgress(file, this.customSettings.progressTarget);
        progress.setProgress(percent);
        progress.setStatus("Uploading...");
    } catch (ex) {
        this.debug(ex);
    }
}


function uploadSuccess(file, serverData) {
    try {
        var obj = eval("("+serverData+")");

        if (obj.code == 1) {
            //$(".J_bjnow").attr("src", "/upload/"+obj.file_name);
            //缩略图处理
            var source_img = obj.file_name;
            var suffix =/\.[^\.]+/.exec(source_img);//文件扩展名 .jpg
            var thumb_img = source_img.replace(suffix,"_thumb"+suffix);
            $(".J_bjnow").attr("src", "/upload/"+thumb_img);

            $(".J_bjnow").attr("data-path", obj.file_name);

            $(".J_cover_path").val(obj.file_name);
            var tmpImg = new Image();
            tmpImg.src = $(".J_bjnow").attr("src");

            tmpImg.onload = function() {
                $(".J_bjnow").css("height", "40px");
                $(".J_bjnow").css("width", "70px");
                $(".J_progress_upload").remove();
            }

            //alert("保存成功");
        } else {
            //alert("保存失败");
        }
    } catch (ex) {
        this.debug(ex);
    }
}

function banner_upload_Success(file, serverData) {
    try {
        var obj = eval('('+serverData+')');

        if (obj.code == 1){
            $(".J_uploadPic_start").remove();
            var _li = '<li class="span2" style="list-style-type:none;">'
                +'<a> <img d-original="'+obj.file_name+'" class="imgurl" style="width:170px;height:100px;" src="/upload/'+obj.file_name+'" alt="" > </a>'
                +'</li>';
            $(".picList").html(_li);
        }
        var progress = new FileProgress(file, this.customSettings.progressTarget);
        progress.setComplete();
        progress.setStatus("Complete.");
        progress.toggleCancel(false);
    } catch (ex) {
        this.debug(ex);
    }
}
//多图图片上传
function uploadBookCoverSuccess(file, serverData) {
    try {
        var obj = eval('('+serverData+')');
        if (obj.code == 1){
                $(".J_uploadPic_start").remove();
                var source_img = obj.file_name;
                var suffix =/\.[^\.]+/.exec(source_img);//文件扩展名 .jpg
                var thumb_img = source_img.replace(suffix,"_thumb"+suffix); 
                var item_tag = '<p style="float:left;margin-right:5px;" class="J_uploadPic" d-original="'+source_img+'"  d-thumb="'+thumb_img+'">'
                +'<span class="bg_floating" style="z-index:9999;" class="upload_float"><img  src="/upload/'+source_img+'" width="120px" height="80px"  alt="pic"/></span><br />'
                +'<a  class="del_pic" style="margin-left:40px;margin-top:10px;" href="javascript:void(0);">删除</a>'
                +'</p>';
                $("#picList").append(item_tag);
                
        }
        var progress = new FileProgress(file, this.customSettings.progressTarget);
        progress.setComplete();
        progress.setStatus("Complete.");
        progress.toggleCancel(false);
    } catch (ex) {
        this.debug(ex);
    }
}

function uploadComplete(file) {
    try {
        /*  I want the next upload to continue automatically so I'll call startUpload here */
        if (this.getStats().files_queued === 0) {
            document.getElementById(this.customSettings.cancelButtonId).disabled = true;
        } else {
            this.startUpload();
        }
    } catch (ex) {
        this.debug(ex);
    }

}

function uploadError(file, errorCode, message) {
    try {
        var progress = new FileProgress(file, this.customSettings.progressTarget);
        progress.setError();
        progress.toggleCancel(false);

        switch (errorCode) {
            case SWFUpload.UPLOAD_ERROR.HTTP_ERROR:
                progress.setStatus("Upload Error: " + message);
                this.debug("Error Code: HTTP Error, File name: " + file.name + ", Message: " + message);
                break;
            case SWFUpload.UPLOAD_ERROR.MISSING_UPLOAD_URL:
                progress.setStatus("Configuration Error");
                this.debug("Error Code: No backend file, File name: " + file.name + ", Message: " + message);
                break;
            case SWFUpload.UPLOAD_ERROR.UPLOAD_FAILED:
                progress.setStatus("Upload Failed.");
                this.debug("Error Code: Upload Failed, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
                break;
            case SWFUpload.UPLOAD_ERROR.IO_ERROR:
                progress.setStatus("Server (IO) Error");
                this.debug("Error Code: IO Error, File name: " + file.name + ", Message: " + message);
                break;
            case SWFUpload.UPLOAD_ERROR.SECURITY_ERROR:
                progress.setStatus("Security Error");
                this.debug("Error Code: Security Error, File name: " + file.name + ", Message: " + message);
                break;
            case SWFUpload.UPLOAD_ERROR.UPLOAD_LIMIT_EXCEEDED:
                progress.setStatus("Upload limit exceeded.");
                this.debug("Error Code: Upload Limit Exceeded, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
                break;
            case SWFUpload.UPLOAD_ERROR.SPECIFIED_FILE_ID_NOT_FOUND:
                progress.setStatus("File not found.");
                this.debug("Error Code: The file was not found, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
                break;
            case SWFUpload.UPLOAD_ERROR.FILE_VALIDATION_FAILED:
                progress.setStatus("Failed Validation.  Upload skipped.");
                this.debug("Error Code: File Validation Failed, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
                break;
            case SWFUpload.UPLOAD_ERROR.FILE_CANCELLED:
                if (this.getStats().files_queued === 0) {
                    document.getElementById(this.customSettings.cancelButtonId).disabled = true;
                }
                progress.setStatus("Cancelled");
                progress.setCancelled();
                break;
            case SWFUpload.UPLOAD_ERROR.UPLOAD_STOPPED:
                progress.setStatus("Stopped");
                break;
            default:
                progress.setStatus("Unhandled Error: " + error_code);
                this.debug("Error Code: " + errorCode + ", File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
                break;
        }
    } catch (ex) {
        this.debug(ex);
    }
}